/Engine/Plugins/Experimental/PhysicsControl/Source/PhysicsControl/Public/PhysicsControlComponent.h
Adds Controls to a Set. This will add a new set if necessary. For example, you might make a set of ParentSpace Arm controls by calling this twice, passing in the left and right arm ParentSpace controls.
The new/updated set of controls, in case you want to store it
[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category=PhysicsControl) void AddControlsToSet ( [FPhysicsControlNames](API\Plugins\PhysicsControl\FPhysicsControlNames) & NewSet, const [TArray](API\Runtime\Core\Containers\TArray)< [FName](API\Runtime\Core\UObject\FName) > & Controls, const [FName](API\Runtime\Core\UObject\FName) Set )